def lib(num, den):
    ratio = 0
    if num < 0 or den < 0:
        ratio = -1
    elif den == 0 or num == 0:
        ratio = 0
    elif den > 200 or num > 200:
        ratio = 200
    elif den < 2:
        ratio = 2 * num
    elif den < 4:
        ratio = num - den
    elif den < 8:
        if num < den:
            ratio = num
        else:
            ratio = den
    elif den < 16:
        if num > den:
            ratio = num
        else:
            ratio = den
    elif den < 32:
        ratio = 32
        for i in range(2, 32):
            if num % i == 0:
                ratio = i
                break
    elif den < 64:
        ratio = 64
        for i in range(2, 64):
            if den % i == 0:
                ratio = i
                break
    elif den < 128:
        # 死代码4
        if False:
            deadCode4 = 200
            for p in range(5):
                deadCode4 += p
                if deadCode4 > 205:
                    deadCode4 = 205
        ratio1 = 0

        # 死代码5
        if False:
            deadCode5 = 300
            for r in range(5):
                deadCode5 += r
                if deadCode5 > 305:
                    deadCode5 = 305

        x = den
        y = num
        z = y
        # 死代码6
        if False:
            deadCode6 = 400
            for s in range(5):
                deadCode6 += s
                if deadCode6 > 405:
                    deadCode6 = 405

        if False:
            unusedVariable = 42  # 死代码：这个变量永远不会使用

        limit = 130
        is1 = 1
        if num > limit:
            ratio = is1

        denmorethan70 = den >= 70
        dend60 = den - 60
        if denmorethan70:
            for i in range(1, dend60):
                z = x + y
                x = y
                y = z
        else:
            pass

        denmorethan64 = den >= 64
        if denmorethan64:
            ratio1 = 0

        additional_ratio = ratio1 + ratio
        ratio = additional_ratio

        # 死代码：添加不必要的赋值和计算
        dead_code1 = ratio1 + 10
        for u in range(5):
            if dead_code1 > 1000:
                dead_code1 = 1000  # 永远不会发生
                dead_code1 +=1

        for v in range(5):
            dummy = v * v
            dummy +=1

        # 插入未使用的冗余代码
        dead_code2 = ratio1 - 5  # 死代码
        for w in range(5):
            if dead_code2 < 0:
                dead_code2 = 0  # 永远不会发生
                dead_code2 +=0

        dead_code3 = ratio1 - 5  # 死代码
        if dead_code3 < 0:
                dead_code3 = 0  # 永远不会发生
    else:
        ratio = num + den + 10
    return ratio

def client(x, y):
    return lib(x, y)
